public override void Draw(Graphics gr, Point position, Range range)
{
//draw background
if (BackgroundBrush != null)
{
gr.FillRectangle(BackgroundBrush, position.X, position.Y, (range.End.iChar - range.Start.iChar) * range.tb.CharWidth,
range.tb.CharHeight);
}
//draw chars
Font f = new(range.tb.Font, FontStyle);
//Font fHalfSize = new Font(range.tb.Font.FontFamily, f.SizeInPoints/2, FontStyle);
Line line = range.tb[range.Start.iLine];
float dx = range.tb.CharWidth;
float y = position.Y + range.tb.LineInterval / 2;
float x = position.X - range.tb.CharWidth / 3;
if (ForeBrush == null)
{
ForeBrush = new SolidBrush(range.tb.ForeColor);
}
//IME mode
if (range.tb.ImeAllowed)
{
for (int i = range.Start.iChar; i < range.End.iChar; i++)
{
SizeF size = RichText.GetCharSize(f, line[i].c);
var gs = gr.Save();
float k = size.Width > range.tb.CharWidth + 1 ? range.tb.CharWidth / size.Width : 1;
gr.TranslateTransform(x, y + (1 - k) * range.tb.CharHeight / 2);
gr.ScaleTransform(k, (float)Math.Sqrt(k));
gr.DrawString(line[i].c.ToString(), f, ForeBrush, 0, 0, stringFormat);
gr.Restore(gs);
/*
* if(size.Width>range.tb.CharWidth*1.5f)
* gr.DrawString(line[i].c.ToString(), fHalfSize, foreBrush, x, y+range.tb.CharHeight/4, stringFormat);
* else
* gr.DrawString(line[i].c.ToString(), f, foreBrush, x, y, stringFormat);
* */
x += dx;
}
}
else
//classic mode
{
for (int i = range.Start.iChar; i < range.End.iChar; i++)
{
//draw char
gr.DrawString(line[i].c.ToString(), f, ForeBrush, x, y, stringFormat);
x += dx;
}
}
//
f.Dispose();
}